You needed the community that makes use of linguistic conventions to acquiesce in a change of use.

你必须得到一个群体对于惯例改变,所做出的默认。

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No country had to follow these risks, but generally, countries have followed them because they want to be part of the international community and you want to use the standards that were recommended.

没有哪个国家必须遵守这些约定,但基本上,所有国家都会遵守,因为他们想成为国际社会的一份子,而且也希望能够使用里面推荐的准则

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